From mboxrd@z Thu Jan  1 00:00:00 1970
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: base64
Subject: [2/5] dmaengine: bcm2835: Fix abort of transactions
From: Stefan Wahren <stefan.wahren@i2se.com>
Message-Id: <891495697.176697.1546003242696@email.ionos.de>
Date: Fri, 28 Dec 2018 14:20:42 +0100 (CET)
To: Lukas Wunner <lukas@wunner.de>
Cc: Frank Pavlic <f.pavlic@kunbus.de>, Martin Sperl <kernel@martin.sperl.org>, Florian Meier <florian.meier@koalo.de>, dmaengine@vger.kernel.org, Eric Anholt <eric@anholt.net>, linux-rpi-kernel@lists.infradead.org, Vinod Koul <vkoul@kernel.org>
List-ID: <dmaengine.vger.kernel.org>
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=